About this length converter
Convert metric lengths, inches, feet and miles. Values convert through metres. One inch is exactly 0.0254 m; one foot is 12 inches and one mile is 5,280 feet. Use this workspace to prepare a result you can review before putting it to use. All processing takes place on your device, without an account or an upload of your inputs. Check the examples to understand the expected output, read the limitations for the supported scope, and reset the form when you want to start a separate task.
How it works
Values convert through metres. One inch is exactly 0.0254 m; one foot is 12 inches and one mile is 5,280 feet.
Try these examples
1 m → cm
100 cm
1 inch → cm
2.54 cm
Limitations & privacy
Nonnegative values up to 1 trillion. Uses international feet and statute miles, not survey feet or nautical miles. Display uses up to 15 significant digits; floating-point rounding still applies.
Inputs and results stay in this browser. Only tool identifiers are stored for your recently used tools. You can clear that history from the directory.
A few good questions
How is the result produced?
Values convert through metres. One inch is exactly 0.0254 m; one foot is 12 inches and one mile is 5,280 feet.
Are my inputs sent to a server?
No. Inputs and results are processed locally and are not uploaded or included in telemetry. Copying or downloading is your choice.
What are the limits of this tool?
Nonnegative values up to 1 trillion. Uses international feet and statute miles, not survey feet or nautical miles. Display uses up to 15 significant digits; floating-point rounding still applies.
Updated September 19, 2026